Merge "CCodec: Validate hdr10PlusInfo with the flexCount" into rvc-dev am: d3c372d58b am: c30b81eea8 am: 772858d000 am: b647975603

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11863719

Change-Id: I1a3cc2534cda1f2608e791283a12b803af26f267